Finding the Fourth Proportional to 197,195.01, 272,129.32 and 106,551.15
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Solution
The fourth proportional to 197,195.01, 272,129.32 and 106,551.15 is: 147,040.70
Step by Step Solution
- Step 1: Write the proportion equation
197,195.01 : 272,129.32 = 106,551.15 : x - Step 2: Convert to fraction form
197,195.01/272,129.32 = 106,551.15/x - Step 3: Cross multiply
197,195.01x = 272,129.32 × 106,551.15 - Step 4: Simplify right side
197,195.01x = 28,995,691,107.42 - Step 5: Solve for x
x = 28,995,691,107.42/197,195.01 - Step 6: Final answer
x = 147,040.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.